[1] Moore, J. W., Inorganic contaminants of surface water: Research and monitoring priorities, Springer Science & Business Media, (2012).
[2] Bhatnagar, A., Kumar, E. and Sillanpää, M., “Nitrate removal from water by nano-alumina: Characterization and sorption studies”, Chemical Engineering Journal, 163 (3), 317 (2010).
[3] Organization, W. H., Guidelines for drinking-water quality: Recommendations, World Health Organization, (2004).
[4] Majumdar, D. and Gupta, N., “Nitrate pollution of groundwater and associated human health disorders”, Indian Journal of Environmental Health, 42 (1), 28 (2000).
[5] Mena-Duran, C., Kou, M. S., Lopez, T., Azamar-Barrios, J., Aguilar, D., Dominguez, M., Odriozola, J. and Quintana, P., “Nitrate removal using natural clays modified by acid thermoactivation”, Appl. Surf. Sci., 253 (13), 5762 (2007).
[6] Kapoor, A. and Viraraghavan, T., “Nitrate removal from drinking water”, Journal of Environmental Engineering, 123 (4), 371 (1997).
[7] Selecky, M., Adair, J. and Clifford, D., “Nitrate treatment alternatives for small water systems”, Department of Health, Washington, (2005).
[8] Singh, N., Nagpal, G. and Agrawal, S., “Water purification by using adsorbents: A review”, Environmental Technology & Innovation, 11, 187 (2018).
[9] Zhan, Y., Lin, J. and Zhu, Z., “Removal of nitrate from aqueous solution using cetylpyridinium bromide (CPB) modified zeolite as adsorbent”, Journal of Hazardous Materials, 186 (2), 1972 (2011).
[10] Afkhami, A., Madrakian, T. and Karimi, Z., “The effect of acid treatment of carbon cloth on the adsorption of nitrite and nitrate ions”, Journal of Hazardous Materials, 144 (1), 427 (2007).
[11] Mena-Duran, C., Kou, M. S., Lopez, T., Azamar-Barrios, J., Aguilar, D., Dominguez, M., Odriozola, J. A. and Quintana, P., “Nitrate removal using natural clays modified by acid thermoactivation”, Applied Surface Science, 253 (13), 5762 (2007).
[12] Bergaya, F., Theng, B. K. G. and Lagaly, G., Handbook of clay science, Elsevier Science, Netherlands, (2011).
[13] Inglezakis, V. J. and Zorpas, A. A., Handbook of natural zeolites, Bentham Science Publishers, (2012).
[14] Liu, J., Cheng, X., Zhang, Y., Wang, X., Zou, Q. and Fu, L., “Zeolite modification for adsorptive removal of nitrite from aqueous solutions”, Microporous Mesoporous Mater., 252, 179 (2017).
[15] Zhu, I. and Getting, T., “A review of nitrate reduction using inorganic materials”, Environmental Technology Reviews, 1 (1), 46 (2012).
[16] Chatterjee, S. and Woo, S. H., “The removal of nitrate from aqueous solutions by chitosan hydrogel beads”, J. Hazard. Mater., 164 (2), 1012 (2009).
[17] Masheane, M. L., Nthunya, L. N., Sambaza, S. S., Malinga, S. P., Nxumalo, E. N., Mamba, B. B. and Mhlanga, S. D., “Chitosan-based nanocomposite beads for drinking water production”, IOP Conference Series: Materials Science and Engineering, 195 (1), 012004 (2017).
[18] Nazeran, N. and Moghaddas, J. S., “Synthesis and characterization of silica aerogel reinforced rigid polyurethane foam for thermal insulation application”, Journal of Non-Crystalline Solids, 461, 1 (2017).
[19] Rezaei, E. and Moghaddas, J. S., “Thermal conductivities of silica aerogel composite insulating material”, Advanced Materials Letters, 7 (4), 296-301, (2016).
[20] Liu, H., Sha, W., Cooper, A. T. and Fan, M., “Preparation and characterization of a novel silica aerogel as adsorbent for toxic organic compounds”, Colloids and Surfaces A: Physicochemical and Engineering Aspects, 347 (1), 38 (2009).
[21] Armstrong, F., “Determination of nitrate in water ultraviolet spectrophotometry”, Analytical Chemistry, 35 (9), 1292 (1963).
[22] Khani, A. and Mirzaei, M., “Comparative study of nitrate removal from aqueous solution using powder activated carbon and carbon nanotubes”, Poceedigs of 2nd International IUPAC Conference on Green Chemistry, Russia, (2008).
[23] Islam, M., “Development of adsorption media for removal of lead and nitrate from water”, Ph. D. Thesis, National Institute of Technology, Rourkela, (2008).
[24] Schick, J., Caullet, P., Paillaud, J. -L., Patarin, J. and Mangold-Callarec, C., “Nitrate sorption from water on a surfactant-modified zeolite. fixed-bed column experiments”, Microporous Mesoporous Mater., 142 (2), 549 (2011).
[25] McCabe, W. L., Smith, J. C. and Harriott, P., Unit operations of chemical engineering, Vol. 5, McGraw-Hill, New York, (1993).
[26] Thomas, W. J. and Crittenden, B. D., Adsorption technology and design, Butterworth-Heinemann, (1998).
[27] Mantovaneli, I., Ferretti, E., Simões, M. and Silva, C., “The effect of temperature and flow rate on the clarification of the aqueous stevia-extract in a fixed-bed column with zeolites”, Braz. J. Chem. Eng., 21 (3), 449 (2004).
[28] Sarawade, P. B., Kim, J. -K., Hilonga, A., Quang, D. V., Jeon, S. J. and Kim, H. T., “Synthesis of sodium silicate-based hydrophilic silica aerogel beads with superior properties: Effect of heat-treatment”, J. Non-Cryst. Solids, 357 (10), 2156 (2011).
[29] Falahnejad, M., Mousavi, H. Z., Shirkhanloo, H. and Rashidi, A., “Preconcentration and separation of ultra-trace amounts of lead using ultrasound-assisted cloud point-micro solid phase extraction based on amine functionalized silica aerogel nanoadsorbent”, Microchem. J., 125, 236 (2016).
[30] Sharifzadeh, E., Salami-Kalajahi, M., Hosseini, M. S. and Aghjeh, M. K. R., “A temperature-controlled method to produce Janus nanoparticles using high internal interface systems: Experimental and theoretical approaches”, Colloids and Surfaces A: Physicochemical and Engineering Aspects, 506, 56 (2016).
[31] Sharifzadeh, E., Salami-Kalajahi, M., Hosseini, M. S. and Aghjeh, M. K. R., “Synthesis of silica Janus nanoparticles by buoyancy effect-induced desymmetrization process and their placement at the PS/PMMA interface”, Colloid. Polym. Sci., 295 (1), 25 (2017).
[32] Rao, A. P., Rao, A. V. and Pajonk, G., “Hydrophobic and physical properties of the ambient pressure dried silica aerogels with sodium silicate precursor using various surface modification agents”, Appl. Surf. Sci., 253 (14), 6032 (2007).
[33] Sharifzadeh, E., Salami-Kalajahi, M., Hosseini, M. S., Aghjeh, M. K. R., Najafi, S., Jannati, R. and Hatef, Z., “Defining the characteristics of spherical Janus particles by investigating the behavior of their corresponding particles at the oil/water interface in a Pickering emulsion”, J. Dispersion Sci. Technol., 38 (7), 985 (2017).
[34] Jeong, A. -Y., Koo, S. -M. and Kim, D. -P., “Characterization of hydrophobic SiO2 powders prepared by surface modification on wet gel”, J. Sol-Gel Sci. Technol., 19 (1), 483 (2000).
[35] Su, J. F., Shi, J. X., Huang, T. L., Ma, F., Lu, J. S. and Yang, S. F., “Effect of nitrate concentration, pH, and hydraulic retention time on autotrophic denitrification efficiency with Fe(II) and Mn(II) as electron donors”, Water Science and Technology : A Journal of the International Association on Water Pollution Research, 74 (5), 1185 (2016).
[36] Chatterjee, S., Lee, D. S., Lee, M. W. and Woo, S. H., “Nitrate removal from aqueous solutions by cross-linked chitosan beads conditioned with sodium bisulfate”, J. Hazard. Mater., 166 (1), 508 (2009).
[37] Jaafari, K., Ruiz, T., Elmaleh, S., Coma, J. and Benkhouja, K., “Simulation of a fixed bed adsorber packed with protonated cross-linked chitosan gel beads to remove nitrate from contaminated water”, Chem. Eng. J., 99 (2), 153 (2004).
[38] Vasconcelos, H. L., Camargo, T. P., Gonçalves, N. S., Neves, A., Laranjeira, M. C. and Fávere, V. T., “Chitosan crosslinked with a metal complexing agent: Synthesis, characterization and copper (II) ions adsorption”, React. Funct. Polym., 68 (2), 572 (2008).
[39] Baldrian, P., “Interactions of heavy metals with white-rot fungi”, Enzyme Microb. Technol., 32 (1), 78 (2003).
[40] Onyango, M. S., Masukume, M., Ochieng, A. and Otieno, F., “Functionalised natural zeolite and its potential for treating drinking water containing excess amount of nitrate”, Water SA, 36 (5), 655 (2010).
[41] Roosta, M., Ghaedi, M., Shokri, N., Daneshfar, A., Sahraei, R. and Asghari, A., “Optimization of the combined ultrasonic assisted/adsorption method for the removal of malachite green by gold nanoparticles loaded on activated carbon: Experimental design”, Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 118, 55 (2014).
[42] Ghanbarian, S., Kahforoushan, D. and Sahraei, E., “Determination of significant factors in the removal of Cu (II) from aqueous solutions by applying adsorption method: Using factorial design”, Desalin. Water Treat., 57 (18), 8470 (2016).
[43] Montgomery, D. C., Design and analysis of experiments, John Wiley & Sons, (2008).
[44] Yuh-Shan, H., “Citation review of Lagergren kinetic rate equation on adsorption reactions”, Scientometrics, 59 (1), 171 (2004).
[45] Ho, Y. S., “Review of second-order models for adsorption systems”, Journal of Hazardous Materials, 136 (3), 681 (2006).
[46] Ho, Y. -S. and McKay, G., “Pseudo-second order model for sorption processes”, Process Biochem., 34 (5), 451 (1999).
[47] Katal, R., Baei, M. S., Rahmati, H. T. and Esfandian, H., “Kinetic, isotherm and thermodynamic study of nitrate adsorption from aqueous solution using modified rice husk”, Journal of Industrial and Engineering Chemistry, 18 (1), 295 (2012).
[48] Bleam, W. F., Soil and environmental chemistry, Elsevier Science, (2011).
[49] Ruthven, D. M., Principles of adsorption and adsorption processes, John Wiley & Sons, (1984).
[50] Senturk, H. B., Ozdes, D., Gundogdu, A., Duran, C. and Soylak, M., “Removal of phenol from aqueous solutions by adsorption onto organomodified Tirebolu bentonite: Equilibrium, kinetic and thermodynamic study”, J. Hazard. Mater., 172 (1), 353 (2009).
[51] Xing, X., Gao, B. -Y., Zhong, Q. -Q., Yue, Q. -Y. and Li, Q., “Sorption of nitrate onto amine-crosslinked wheat straw: Characteristics, column sorption and desorption properties”, J. Hazard. Mater., 186 (1), 206 (2011).
[52] Sarin, V., Singh, T. S. and Pant, K., “Thermodynamic and breakthrough column studies for the selective sorption of chromium from industrial effluent on activated eucalyptus bark”, Bioresource Technology, 97 (16), 1986 (2006).
[53] Salman Tabrizi, N. and Yavari, M., “Fixed bed study of nitrate removal from water by protonated cross-linked chitosan supported by biomass-derived carbon particles”, Journal of Environmental Science and Health, Part A, 1 (2020).
[54] Kang, J. -K., Lee, S. -C. and Kim, S. -B., “Synthesis of quaternary ammonium-functionalized silica gel through grafting of dimethyl dodecyl [3-(trimethoxysilyl) propyl] ammonium chloride for nitrate removal in batch and column studies”, Journal of the Taiwan Institute of Chemical Engineers, 102, 153 (2019).